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Sea Temperature in Yffiniac in September
Complete information on the sea temperature range in the Bay of Biscay in Yffiniac in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Yffiniac. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Yffiniac in September
61°F
MINIMUN
65°F
AVERAGE
70°F
MAXIMUM
Historical Data of Water Temperature in September in Yffiniac
Water Temperature Chart for Bay of Biscay in Yffiniac in September
Sea Temperature Table in Yffiniac in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 64°C | 64°C | 66°C | 65°C |
| Sep 2 | 64°C | 63°C | 66°C | 65°C |
| Sep 3 | 64°C | 68°C | 63°C | 65°C |
| Sep 4 | 64°C | 66°C | 63°C | 65°C |
| Sep 5 | 64°C | 63°C | 63°C | 64°C |
| Sep 6 | 66°C | 66°C | 64°C | 65°C |
| Sep 7 | 64°C | 64°C | 63°C | 64°C |
| Sep 8 | 66°C | 68°C | 66°C | 66°C |
| Sep 9 | 66°C | 68°C | 68°C | 67°C |
| Sep 10 | 64°C | 64°C | 68°C | 66°C |
| Sep 11 | 64°C | 63°C | 64°C | 64°C |
| Sep 12 | 66°C | 64°C | 66°C | 65°C |
| Sep 13 | 66°C | 64°C | 64°C | 65°C |
| Sep 14 | 63°C | 64°C | 68°C | 65°C |
| Sep 15 | 64°C | 64°C | 63°C | 64°C |
| Sep 16 | 64°C | 66°C | 68°C | 66°C |
| Sep 17 | 64°C | 66°C | 63°C | 64°C |
| Sep 18 | 66°C | 64°C | 68°C | 65°C |
| Sep 19 | 64°C | 66°C | 68°C | 65°C |
| Sep 20 | 64°C | 66°C | 63°C | 64°C |
| Sep 21 | 64°C | 63°C | 64°C | 64°C |
| Sep 22 | 64°C | 63°C | 66°C | 64°C |
| Sep 23 | 64°C | 68°C | 63°C | 65°C |
| Sep 24 | 64°C | 64°C | 66°C | 65°C |
| Sep 25 | 64°C | 64°C | 63°C | 64°C |
| Sep 26 | 64°C | 64°C | 66°C | 65°C |
| Sep 27 | 64°C | 63°C | 66°C | 64°C |
| Sep 28 | 64°C | 66°C | 66°C | 65°C |
| Sep 29 | 64°C | 63°C | 66°C | 64°C |
Yffiniac Climate and Swimming Opportunities in September
68°F
Average Day Air Temperature
55°F
Average Night Air Temperature
2 in
Precipitation Amount per Month
10 days
Number of Rainy Days
12 hrs
Daylight
per Day
6 hrs
Sunshine
per Day
12 mph
Average Wind Speed
80%
Average
humidity
Yffiniac lies within the Brittany in France. The average daytime temperature in Yffiniac in September is 20°C (67°F), while the nighttime average is 13°C (55°F). There are typically 10 rainy days during the month, with a total precipitation of 55 mm (2.1 inches). The daylight duration in September in Yffiniac is 12 hours, with an average of 6 hours of sunshine per day. The average wind speed in September is 19 km/h (12 mph), and the humidity level is around 80%.
The water temperature in Yffiniac in September ranges from 17°C to 19°C (63°F to 66°F). At the beginning of the month, the average temperature is around 18°C (64°F), shifting to 18°C (64°F) by mid-September and reaching 18°C (64°F) in the last ten days. Overall, the average sea temperature in Yffiniac for September is 18°C (64°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.
Sea Temperature in September in Nearby Cities
Frequently Asked Questions About Water Temperatures in September in Yffiniac
What is the sea temperature in Yffiniac in September?
The water temperature in the Bay of Biscay in Yffiniac in September ranges from 17°C to 19°C (63°F to 66°F).
Is it possible to swim in the Bay of Biscay in Yffiniac in September?
The average sea temperature in Yffiniac in September is 18°C (64°F), and the air temperature is 20°C (67°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.